/// <summary>
/// Loads previously stored sessions from persistent storage.
/// </summary>
public static IEnumerable <EnvironmentSession> LoadSessions()
{
IList <EnvironmentSession> sessions = new List <EnvironmentSession>();
string[] fileNames;
try
{
Directory.CreateDirectory(environmentStoragePath);
fileNames = Directory.GetFiles(environmentStoragePath, "*" + SessionExtension, SearchOption.AllDirectories);
}
catch (Exception ex)
{
fileNames = null;
Trace.WriteLine("Unable to open directory: '" + environmentStoragePath + "'.");
Trace.WriteLine(ex.Message);
Trace.WriteLine(ex.StackTrace);
}
// load data from each session file:
if (fileNames != null && fileNames.Length > 0)
{
foreach (string file in fileNames)
{
try
{
EnvironmentSession session = null;
using (StreamReader reader = File.OpenText(file))
{
if (session == null)
{
session = new EnvironmentSession();
}
session.LoadFrom(reader, file);
if (session.Count > 0)
{
if (string.IsNullOrEmpty(session.Name))
{
string name = Path.GetFileName(file);
session.Name = name.Substring(0, name.Length - SessionExtension.Length);
}
sessions.Add(session);
session = null;
}
}
}
catch (Exception ex)
{
Trace.WriteLine("Unable to load session from file: '" + file + "'.");
Trace.WriteLine(ex.Message);
Trace.WriteLine(ex.StackTrace);
}
}
}
return(sessions);
}
/// <summary>
/// Writes given environment session variables changes into a persistent storage.
/// </summary>
public static void SaveSession(string fileName, EnvironmentSession session)
{
using (StreamWriter outputFile = new StreamWriter(
environmentStoragePath + PrepareFileName(fileName) + SessionExtension, false, Encoding.UTF8))
{
session.WriteTo(outputFile);
}
}
